// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-%typedarray%.from
description: >
  Return a new TypedArray from a sparse array
includes: [testTypedArray.js]
features: [Array.prototype.values, TypedArray]
---*/

function Test() {
    var source = [,,42,,44,,];

    testWithTypedArrayConstructors(function(TA) {
      var result = TA.from(source);

      assert.sameValue(result.length, 6);
      assert.sameValue(result[0], NaN);
      assert.sameValue(result[1], NaN);
      assert.sameValue(result[2], 42);
      assert.sameValue(result[3], NaN);
      assert.sameValue(result[4], 44);
      assert.sameValue(result[5], NaN);
      assert.sameValue(result.constructor, TA);
      assert.sameValue(Object.getPrototypeOf(result), TA.prototype);
    },
    [
      Float32Array,
      Float64Array
    ]);

    testWithTypedArrayConstructors(function(TA) {
      var result = TA.from(source);

      assert.sameValue(result.length, 6);
      assert.sameValue(result[0], 0);
      assert.sameValue(result[1], 0);
      assert.sameValue(result[2], 42);
      assert.sameValue(result[3], 0);
      assert.sameValue(result[4], 44);
      assert.sameValue(result[5], 0);
      assert.sameValue(result.constructor, TA);
      assert.sameValue(Object.getPrototypeOf(result), TA.prototype);
    },
    [
      Int8Array,
      Int32Array,
      Int16Array,
      Int8Array,
      Uint32Array,
      Uint16Array,
      Uint8Array,
      Uint8ClampedArray
    ]);
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
